Which atmospheric gas protects living things on earth from gamma rays
a. oxygen
b. carbon dioxide
c. argon
d. none of the above

Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water